From 2313781df23654556cd7d08ca63c3fc184ef1b63 Mon Sep 17 00:00:00 2001
From: Brian Somers <brian@FreeBSD.org>
Date: Mon, 20 Aug 2001 15:09:34 +0000
Subject: Handle snprintf() returning < 0 (not just -1)

MFC after:	2 weeks
---
 usr.sbin/ppp/command.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'usr.sbin/ppp/command.c')

diff --git a/usr.sbin/ppp/command.c b/usr.sbin/ppp/command.c
index 36cd8edf3b0a..ae68eec0701f 100644
--- a/usr.sbin/ppp/command.c
+++ b/usr.sbin/ppp/command.c
@@ -263,7 +263,11 @@ IdentCommand(struct cmdargs const *arg)
   for (pos = 0, f = arg->argn; f < arg->argc && pos < max; f++) {
     n = snprintf(arg->cx->physical->link.lcp.cfg.ident + pos, max - pos,
                  "%s%s", f == arg->argn ? "" : " ", arg->argv[f]);
-    if (n == -1 || (pos += n) >= max)
+    if (n < 0) {
+      arg->cx->physical->link.lcp.cfg.ident[pos] = '\0';
+      break;
+    }
+    if ((pos += n) >= max)
       break;
   }
 
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